Lyonsiidae Fischer, 1887
Entodesma beana (d'Orbigny, 1842)
Entodesma brasiliense (Gould, 1850)
Entodesma brevifrons (G.B. Sowerby I, 1834)
Entodesma cuneata (Gray, 1828)
Entodesma delicatum (Marincovich, 1973)
Entodesma elongatulum Soot-Ryen, 1957
Entodesma fretalis (Dall, 1915)
Entodesma lucasana (Bartsch & Rehder, 1939)
Entodesma navicula (A. Adams & Reeve, 1850)
Entodesma patagonicum (d'Orbigny, 1846)
Entodesma pictum (G. B. Sowerby I, 1834)
Entodesma saxicola (Baird, 1863)
Entodesma sechuranum Pilsbry & Olsson, 1935
Entodesma solemyalis (Lamarck, 1818)
Entodesma weisbordi Macsotay & Campos, 2001
Phlyctiderma platense (Dall, 1899)
Phlyctiderma puncturella (Dall, 1899)
